/*************************************************************************************************
 * The test cases of the hash database API
 *                                                               Copyright (C) 2006-2012 FAL Labs
 * This file is part of Tokyo Cabinet.
 * Tokyo Cabinet is free software; you can redistribute it and/or modify it under the terms of
 * the GNU Lesser General Public License as published by the Free Software Foundation; either
 * version 2.1 of the License or any later version.  Tokyo Cabinet is distributed in the hope
 * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
 * License for more details.
 * You should have received a copy of the GNU Lesser General Public License along with Tokyo
 * Cabinet; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307 USA.
 *************************************************************************************************/


#include <tcutil.h>
#include <tchdb.h>
#include "myconf.h"

#define RECBUFSIZ      48                // buffer for records

typedef struct { // type of structure for write thread
    TCHDB *hdb;
    int rnum;
    bool as;
    bool rnd;
    int id;
} TARGWRITE;

typedef struct { // type of structure for read thread
    TCHDB *hdb;
    int rnum;
    bool wb;
    bool rnd;
    int id;
} TARGREAD;

typedef struct { // type of structure for remove thread
    TCHDB *hdb;
    int rnum;
    bool rnd;
    int id;
} TARGREMOVE;

typedef struct { // type of structure for wicked thread
    TCHDB *hdb;
    int rnum;
    bool nc;
    int id;
    TCMAP *map;
} TARGWICKED;

typedef struct { // type of structure for typical thread
    TCHDB *hdb;
    int rnum;
    bool nc;
    int rratio;
    int id;
} TARGTYPICAL;

typedef struct { // type of structure for race thread
    TCHDB *hdb;
    int rnum;
    int id;
} TARGRACE;


/* global variables */
const char *g_progname; // program name
unsigned int g_randseed; // random seed
HANDLE g_dbgfd = INVALID_HANDLE_VALUE; // debugging output


/* function prototypes */
int main(int argc, char **argv);
static void usage(void);
static void iprintf(const char *format, ...);
static void iputchar(int c);
static void eprint(TCHDB *hdb, int line, const char *func);
static void mprint(TCHDB *hdb);
static void sysprint(void);
static int myrand(int range);
static int myrandnd(int range);
static bool iterfunc(const void *kbuf, int ksiz, const void *vbuf, int vsiz, void *op);
static int runwrite(int argc, char **argv);
static int runread(int argc, char **argv);
static int runremove(int argc, char **argv);
static int runwicked(int argc, char **argv);
static int runtypical(int argc, char **argv);
static int runrace(int argc, char **argv);
static int procwrite(const char *path, int tnum, int rnum, int bnum, int apow, int fpow,
        int opts, int rcnum, int xmsiz, int dfunit, int omode, bool as, bool rnd);
static int procread(const char *path, int tnum, int rcnum, int xmsiz, int dfunit, int omode,
        bool wb, bool rnd);
static int procremove(const char *path, int tnum, int rcnum, int xmsiz, int dfunit, int omode,
        bool rnd);
static int procwicked(const char *path, int tnum, int rnum, int opts, int omode, bool nc);
static int proctypical(const char *path, int tnum, int rnum, int bnum, int apow, int fpow,
        int opts, int rcnum, int xmsiz, int dfunit, int omode,
        bool nc, int rratio);
static int procrace(const char *path, int tnum, int rnum, int bnum, int apow, int fpow,
        int opts, int xmsiz, int dfunit, int omode);
static void *threadwrite(void *targ);
static void *threadread(void *targ);
static void *threadremove(void *targ);
static void *threadwicked(void *targ);
static void *threadtypical(void *targ);
static void *threadrace(void *targ);

/* main routine */
int main(int argc, char **argv) {
    g_progname = argv[0];
    const char *ebuf = getenv("TCRNDSEED");
    g_randseed = ebuf ? tcatoix(ebuf) : tctime() * 1000;
    srand(g_randseed);
    ebuf = getenv("TCDBGFD");
    if (ebuf) {
        int debugfd = tcatoix(ebuf);
#ifdef _WIN32
        g_dbgfd = (HANDLE) _get_osfhandle(debugfd);
#else
        g_dbgfd = debugfd;
#endif
    }
    if (argc < 2) usage();
    int rv = 0;
    if (!strcmp(argv[1], "write")) {
        rv = runwrite(argc, argv);
    } else if (!strcmp(argv[1], "read")) {
        rv = runread(argc, argv);
    } else if (!strcmp(argv[1], "remove")) {
        rv = runremove(argc, argv);
    } else if (!strcmp(argv[1], "wicked")) {
        rv = runwicked(argc, argv);
    } else if (!strcmp(argv[1], "typical")) {
        rv = runtypical(argc, argv);
    } else if (!strcmp(argv[1], "race")) {
        rv = runrace(argc, argv);
    } else {
        usage();
    }
    if (rv != 0) {
        printf("FAILED: TCRNDSEED=%u PID=%d", g_randseed, (int) getpid());
        for (int i = 0; i < argc; i++) {
            printf(" %s", argv[i]);
        }
        printf("\n\n");
    }
    return rv;
}

/* print the usage and exit */
static void usage(void) {
    fprintf(stderr, "%s: test cases of the hash database API of Tokyo Cabinet\n", g_progname);
    fprintf(stderr, "\n");
    fprintf(stderr, "usage:\n");
    fprintf(stderr, "  %s write [-tl] [-td|-tb|-tt|-tx] [-rc num] [-xm num] [-df num]"
            " [-nl|-nb] [-as] [-rnd] path tnum rnum [bnum [apow [fpow]]]\n", g_progname);
    fprintf(stderr, "  %s read [-rc num] [-xm num] [-df num] [-nl|-nb] [-wb] [-rnd] path tnum\n",
            g_progname);
    fprintf(stderr, "  %s remove [-rc num] [-xm num] [-df num] [-nl|-nb] [-rnd] path tnum\n",
            g_progname);
    fprintf(stderr, "  %s wicked [-tl] [-td|-tb|-tt|-tx] [-nl|-nb] [-nc]"
            " path tnum rnum\n", g_progname);
    fprintf(stderr, "  %s typical [-tl] [-td|-tb|-tt|-tx] [-rc num] [-xm num] [-df num]"
            " [-nl|-nb] [-nc] [-rr num] path tnum rnum [bnum [apow [fpow]]]\n", g_progname);
    fprintf(stderr, "  %s race [-tl] [-td|-tb|-tt|-tx] [-xm num] [-df num] [-nl|-nb]"
            " path tnum rnum [bnum [apow [fpow]]]\n", g_progname);
    fprintf(stderr, "\n");
    exit(1);
}

/* print formatted information string and flush the buffer */
static void iprintf(const char *format, ...) {
    va_list ap;
    va_start(ap, format);
    vprintf(format, ap);
    fflush(stdout);
    va_end(ap);
}

/* print a character and flush the buffer */
static void iputchar(int c) {
    putchar(c);
    fflush(stdout);
}

/* print error message of hash database */
static void eprint(TCHDB *hdb, int line, const char *func) {
    const char *path = tchdbpath(hdb);
    int ecode = tchdbecode(hdb);
    fprintf(stderr, "%s: %s: %d: %s: error: %d: %s\n",
            g_progname, path ? path : "-", line, func, ecode, tchdberrmsg(ecode));
}

/* print members of hash database */
static void mprint(TCHDB *hdb) {
    iprintf("bucket number: %" PRIdMAX "\n", (int64_t) tchdbbnum(hdb));
    iprintf("used bucket number: %" PRIdMAX "\n", (int64_t) tchdbbnumused(hdb));
#ifndef NDEBUG
    if (hdb->cnt_writerec < 0) return;
    iprintf("cnt_writerec: %" PRIdMAX "\n", (int64_t) hdb->cnt_writerec);
    iprintf("cnt_reuserec: %" PRIdMAX "\n", (int64_t) hdb->cnt_reuserec);
    iprintf("cnt_moverec: %" PRIdMAX "\n", (int64_t) hdb->cnt_moverec);
    iprintf("cnt_readrec: %" PRIdMAX "\n", (int64_t) hdb->cnt_readrec);
    iprintf("cnt_searchfbp: %" PRIdMAX "\n", (int64_t) hdb->cnt_searchfbp);
    iprintf("cnt_insertfbp: %" PRIdMAX "\n", (int64_t) hdb->cnt_insertfbp);
    iprintf("cnt_splicefbp: %" PRIdMAX "\n", (int64_t) hdb->cnt_splicefbp);
    iprintf("cnt_dividefbp: %" PRIdMAX "\n", (int64_t) hdb->cnt_dividefbp);
    iprintf("cnt_mergefbp: %" PRIdMAX "\n", (int64_t) hdb->cnt_mergefbp);
    iprintf("cnt_reducefbp: %" PRIdMAX "\n", (int64_t) hdb->cnt_reducefbp);
    iprintf("cnt_appenddrp: %" PRIdMAX "\n", (int64_t) hdb->cnt_appenddrp);
    iprintf("cnt_deferdrp: %" PRIdMAX "\n", (int64_t) hdb->cnt_deferdrp);
    iprintf("cnt_flushdrp: %" PRIdMAX "\n", (int64_t) hdb->cnt_flushdrp);
    iprintf("cnt_adjrecc: %" PRIdMAX "\n", (int64_t) hdb->cnt_adjrecc);
    iprintf("cnt_defrag: %" PRIdMAX "\n", (int64_t) hdb->cnt_defrag);
    iprintf("cnt_shiftrec: %" PRIdMAX "\n", (int64_t) hdb->cnt_shiftrec);
    iprintf("cnt_trunc: %" PRIdMAX "\n", (int64_t) hdb->cnt_trunc);
#endif
}

/* print system information */
static void sysprint(void) {
    TCMAP *info = tcsysinfo();
    if (info) {
        tcmapiterinit(info);
        const char *kbuf;
        while ((kbuf = tcmapiternext2(info)) != NULL) {
            iprintf("sys_%s: %s\n", kbuf, tcmapiterval2(kbuf));
        }
        tcmapdel(info);
    }
}

/* get a random number */
static int myrand(int range) {
    if (range < 2) return 0;
    int high = (unsigned int) rand() >> 4;
    int low = range * (rand() / (RAND_MAX + 1.0));
    low &= (unsigned int) INT_MAX >> 4;
    return (high + low) % range;
}

/* get a random number based on normal distribution */
static int myrandnd(int range) {
    int num = (int) tcdrandnd(range >> 1, range / 10);
    return (num < 0 || num >= range) ? 0 : num;
}

/* iterator function */
static bool iterfunc(const void *kbuf, int ksiz, const void *vbuf, int vsiz, void *op) {
    unsigned int sum = 0;
    while (--ksiz >= 0) {
        sum += ((char *) kbuf)[ksiz];
    }
    while (--vsiz >= 0) {
        sum += ((char *) vbuf)[vsiz];
    }
    return myrand(100 + (sum & 0xff)) > 0;
}

/* parse arguments of write command */
static int runwrite(int argc, char **argv) {
    char *path = NULL;
    char *tstr = NULL;
    char *rstr = NULL;
    char *bstr = NULL;
    char *astr = NULL;
    char *fstr = NULL;
    int opts = 0;
    int rcnum = 0;
    int xmsiz = -1;
    int dfunit = 0;
    int omode = 0;
    bool as = false;
    bool rnd = false;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-tl")) {
                opts |= HDBTLARGE;
            } else if (!strcmp(argv[i], "-td")) {
                opts |= HDBTDEFLATE;
            } else if (!strcmp(argv[i], "-tb")) {
                opts |= HDBTBZIP;
            } else if (!strcmp(argv[i], "-tt")) {
                opts |= HDBTTCBS;
            } else if (!strcmp(argv[i], "-tx")) {
                opts |= HDBTEXCODEC;
            } else if (!strcmp(argv[i], "-rc")) {
                if (++i >= argc) usage();
                rcnum = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-xm")) {
                if (++i >= argc) usage();
                xmsiz = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-df")) {
                if (++i >= argc) usage();
                dfunit = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= HDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= HDBOLCKNB;
            } else if (!strcmp(argv[i], "-as")) {
                as = true;
            } else if (!strcmp(argv[i], "-rnd")) {
                rnd = true;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else if (!tstr) {
            tstr = argv[i];
        } else if (!rstr) {
            rstr = argv[i];
        } else if (!bstr) {
            bstr = argv[i];
        } else if (!astr) {
            astr = argv[i];
        } else if (!fstr) {
            fstr = argv[i];
        } else {
            usage();
        }
    }
    if (!path || !tstr || !rstr) usage();
    int tnum = tcatoix(tstr);
    int rnum = tcatoix(rstr);
    if (tnum < 1 || rnum < 1) usage();
    int bnum = bstr ? tcatoix(bstr) : -1;
    int apow = astr ? tcatoix(astr) : -1;
    int fpow = fstr ? tcatoix(fstr) : -1;
    int rv = procwrite(path, tnum, rnum, bnum, apow, fpow, opts, rcnum, xmsiz, dfunit, omode,
            as, rnd);
    return rv;
}

/* parse arguments of read command */
static int runread(int argc, char **argv) {
    char *path = NULL;
    char *tstr = NULL;
    int rcnum = 0;
    int xmsiz = -1;
    int dfunit = 0;
    int omode = 0;
    bool wb = false;
    bool rnd = false;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-rc")) {
                if (++i >= argc) usage();
                rcnum = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-xm")) {
                if (++i >= argc) usage();
                xmsiz = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-df")) {
                if (++i >= argc) usage();
                dfunit = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= HDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= HDBOLCKNB;
            } else if (!strcmp(argv[i], "-wb")) {
                wb = true;
            } else if (!strcmp(argv[i], "-rnd")) {
                rnd = true;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else if (!tstr) {
            tstr = argv[i];
        } else {
            usage();
        }
    }
    if (!path || !tstr) usage();
    int tnum = tcatoix(tstr);
    if (tnum < 1) usage();
    int rv = procread(path, tnum, rcnum, xmsiz, dfunit, omode, wb, rnd);
    return rv;
}

/* parse arguments of remove command */
static int runremove(int argc, char **argv) {
    char *path = NULL;
    char *tstr = NULL;
    int rcnum = 0;
    int xmsiz = -1;
    int dfunit = 0;
    int omode = 0;
    bool rnd = false;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-rc")) {
                if (++i >= argc) usage();
                rcnum = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-xm")) {
                if (++i >= argc) usage();
                xmsiz = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-df")) {
                if (++i >= argc) usage();
                dfunit = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= HDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= HDBOLCKNB;
            } else if (!strcmp(argv[i], "-rnd")) {
                rnd = true;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else if (!tstr) {
            tstr = argv[i];
        } else {
            usage();
        }
    }
    if (!path || !tstr) usage();
    int tnum = tcatoix(tstr);
    if (tnum < 1) usage();
    int rv = procremove(path, tnum, rcnum, xmsiz, dfunit, omode, rnd);
    return rv;
}

/* parse arguments of wicked command */
static int runwicked(int argc, char **argv) {
    char *path = NULL;
    char *tstr = NULL;
    char *rstr = NULL;
    int opts = 0;
    int omode = 0;
    bool nc = false;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-tl")) {
                opts |= HDBTLARGE;
            } else if (!strcmp(argv[i], "-td")) {
                opts |= HDBTDEFLATE;
            } else if (!strcmp(argv[i], "-tb")) {
                opts |= HDBTBZIP;
            } else if (!strcmp(argv[i], "-tt")) {
                opts |= HDBTTCBS;
            } else if (!strcmp(argv[i], "-tx")) {
                opts |= HDBTEXCODEC;
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= HDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= HDBOLCKNB;
            } else if (!strcmp(argv[i], "-nc")) {
                nc = true;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else if (!tstr) {
            tstr = argv[i];
        } else if (!rstr) {
            rstr = argv[i];
        } else {
            usage();
        }
    }
    if (!path || !tstr || !rstr) usage();
    int tnum = tcatoix(tstr);
    int rnum = tcatoix(rstr);
    if (tnum < 1 || rnum < 1) usage();
    int rv = procwicked(path, tnum, rnum, opts, omode, nc);
    return rv;
}

/* parse arguments of typical command */
static int runtypical(int argc, char **argv) {
    char *path = NULL;
    char *tstr = NULL;
    char *rstr = NULL;
    char *bstr = NULL;
    char *astr = NULL;
    char *fstr = NULL;
    int opts = 0;
    int rcnum = 0;
    int xmsiz = -1;
    int dfunit = 0;
    int omode = 0;
    int rratio = -1;
    bool nc = false;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-tl")) {
                opts |= HDBTLARGE;
            } else if (!strcmp(argv[i], "-td")) {
                opts |= HDBTDEFLATE;
            } else if (!strcmp(argv[i], "-tb")) {
                opts |= HDBTBZIP;
            } else if (!strcmp(argv[i], "-tt")) {
                opts |= HDBTTCBS;
            } else if (!strcmp(argv[i], "-tx")) {
                opts |= HDBTEXCODEC;
            } else if (!strcmp(argv[i], "-rc")) {
                if (++i >= argc) usage();
                rcnum = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-xm")) {
                if (++i >= argc) usage();
                xmsiz = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-df")) {
                if (++i >= argc) usage();
                dfunit = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= HDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= HDBOLCKNB;
            } else if (!strcmp(argv[i], "-nc")) {
                nc = true;
            } else if (!strcmp(argv[i], "-rr")) {
                if (++i >= argc) usage();
                rratio = tcatoix(argv[i]);
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else if (!tstr) {
            tstr = argv[i];
        } else if (!rstr) {
            rstr = argv[i];
        } else if (!bstr) {
            bstr = argv[i];
        } else if (!astr) {
            astr = argv[i];
        } else if (!fstr) {
            fstr = argv[i];
        } else {
            usage();
        }
    }
    if (!path || !tstr || !rstr) usage();
    int tnum = tcatoix(tstr);
    int rnum = tcatoix(rstr);
    if (tnum < 1 || rnum < 1) usage();
    int bnum = bstr ? tcatoix(bstr) : -1;
    int apow = astr ? tcatoix(astr) : -1;
    int fpow = fstr ? tcatoix(fstr) : -1;
    int rv = proctypical(path, tnum, rnum, bnum, apow, fpow, opts, rcnum, xmsiz, dfunit, omode,
            nc, rratio);
    return rv;
}

/* parse arguments of race command */
static int runrace(int argc, char **argv) {
    char *path = NULL;
    char *tstr = NULL;
    char *rstr = NULL;
    char *bstr = NULL;
    char *astr = NULL;
    char *fstr = NULL;
    int opts = 0;
    int xmsiz = -1;
    int dfunit = 0;
    int omode = 0;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-tl")) {
                opts |= HDBTLARGE;
            } else if (!strcmp(argv[i], "-td")) {
                opts |= HDBTDEFLATE;
            } else if (!strcmp(argv[i], "-tb")) {
                opts |= HDBTBZIP;
            } else if (!strcmp(argv[i], "-tt")) {
                opts |= HDBTTCBS;
            } else if (!strcmp(argv[i], "-tx")) {
                opts |= HDBTEXCODEC;
            } else if (!strcmp(argv[i], "-xm")) {
                if (++i >= argc) usage();
                xmsiz = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-df")) {
                if (++i >= argc) usage();
                dfunit = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= HDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= HDBOLCKNB;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else if (!tstr) {
            tstr = argv[i];
        } else if (!rstr) {
            rstr = argv[i];
        } else if (!bstr) {
            bstr = argv[i];
        } else if (!astr) {
            astr = argv[i];
        } else if (!fstr) {
            fstr = argv[i];
        } else {
            usage();
        }
    }
    if (!path || !tstr || !rstr) usage();
    int tnum = tcatoix(tstr);
    int rnum = tcatoix(rstr);
    if (tnum < 1 || rnum < 1) usage();
    int bnum = bstr ? tcatoix(bstr) : -1;
    int apow = astr ? tcatoix(astr) : -1;
    int fpow = fstr ? tcatoix(fstr) : -1;
    int rv = procrace(path, tnum, rnum, bnum, apow, fpow, opts, xmsiz, dfunit, omode);
    return rv;
}

/* perform write command */
static int procwrite(const char *path, int tnum, int rnum, int bnum, int apow, int fpow,
        int opts, int rcnum, int xmsiz, int dfunit, int omode, bool as, bool rnd) {
    iprintf("<Writing Test>\n  seed=%u  path=%s  tnum=%d  rnum=%d  bnum=%d  apow=%d  fpow=%d"
            "  opts=%d  rcnum=%d  xmsiz=%d  dfunit=%d  omode=%d  as=%d  rnd=%d\n\n",
            g_randseed, path, tnum, rnum, bnum, apow, fpow, opts, rcnum, xmsiz, dfunit, omode,
            as, rnd);
    bool err = false;
    double stime = tctime();
    TCHDB *hdb = tchdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tchdbsetdbgfd(hdb, g_dbgfd);
    if (!tchdbsetmutex(hdb)) {
        eprint(hdb, __LINE__, "tchdbsetmutex");
        err = true;
    }
    if (!tchdbsetcodecfunc(hdb, _tc_recencode, NULL, _tc_recdecode, NULL)) {
        eprint(hdb, __LINE__, "tchdbsetcodecfunc");
        err = true;
    }
    if (!tchdbtune(hdb, bnum, apow, fpow, opts)) {
        eprint(hdb, __LINE__, "tchdbtune");
        err = true;
    }
    if (!tchdbsetcache(hdb, rcnum)) {
        eprint(hdb, __LINE__, "tchdbsetcache");
        err = true;
    }
    if (xmsiz >= 0 && !tchdbsetxmsiz(hdb, xmsiz)) {
        eprint(hdb, __LINE__, "tchdbsetxmsiz");
        err = true;
    }
    if (dfunit >= 0 && !tchdbsetdfunit(hdb, dfunit)) {
        eprint(hdb, __LINE__, "tchdbsetdfunit");
        err = true;
    }
    if (!tchdbopen(hdb, path, HDBOWRITER | HDBOCREAT | HDBOTRUNC | omode)) {
        eprint(hdb, __LINE__, "tchdbopen");
        err = true;
    }
    TARGWRITE targs[tnum];
    pthread_t threads[tnum];
    if (tnum == 1) {
        targs[0].hdb = hdb;
        targs[0].rnum = rnum;
        targs[0].as = as;
        targs[0].rnd = rnd;
        targs[0].id = 0;
        if (threadwrite(targs) != NULL) err = true;
    } else {
        for (int i = 0; i < tnum; i++) {
            targs[i].hdb = hdb;
            targs[i].rnum = rnum;
            targs[i].as = as;
            targs[i].rnd = rnd;
            targs[i].id = i;
            if (pthread_create(threads + i, NULL, threadwrite, targs + i) != 0) {
                eprint(hdb, __LINE__, "pthread_create");
                targs[i].id = -1;
                err = true;
            }
        }
        for (int i = 0; i < tnum; i++) {
            if (targs[i].id == -1) continue;
            void *rv;
            if (pthread_join(threads[i], &rv) != 0) {
                eprint(hdb, __LINE__, "pthread_join");
                err = true;
            } else if (rv) {
                err = true;
            }
        }
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tchdbrnum(hdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tchdbfsiz(hdb));
    mprint(hdb);
    sysprint();
    if (!tchdbclose(hdb)) {
        eprint(hdb, __LINE__, "tchdbclose");
        err = true;
    }
    tchdbdel(hdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform read command */
static int procread(const char *path, int tnum, int rcnum, int xmsiz, int dfunit, int omode,
        bool wb, bool rnd) {
    iprintf("<Reading Test>\n  seed=%u  path=%s  tnum=%d  rcnum=%d  xmsiz=%d  dfunit=%d  omode=%d"
            "  wb=%d  rnd=%d\n\n", g_randseed, path, tnum, rcnum, xmsiz, dfunit, omode, wb, rnd);
    bool err = false;
    double stime = tctime();
    TCHDB *hdb = tchdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tchdbsetdbgfd(hdb, g_dbgfd);
    if (!tchdbsetmutex(hdb)) {
        eprint(hdb, __LINE__, "tchdbsetmutex");
        err = true;
    }
    if (!tchdbsetcodecfunc(hdb, _tc_recencode, NULL, _tc_recdecode, NULL)) {
        eprint(hdb, __LINE__, "tchdbsetcodecfunc");
        err = true;
    }
    if (!tchdbsetcache(hdb, rcnum)) {
        eprint(hdb, __LINE__, "tchdbsetcache");
        err = true;
    }
    if (xmsiz >= 0 && !tchdbsetxmsiz(hdb, xmsiz)) {
        eprint(hdb, __LINE__, "tchdbsetxmsiz");
        err = true;
    }
    if (dfunit >= 0 && !tchdbsetdfunit(hdb, dfunit)) {
        eprint(hdb, __LINE__, "tchdbsetdfunit");
        err = true;
    }
    if (!tchdbopen(hdb, path, HDBOREADER | omode)) {
        eprint(hdb, __LINE__, "tchdbopen");
        err = true;
    }
    int rnum = tchdbrnum(hdb) / tnum;
    TARGREAD targs[tnum];
    pthread_t threads[tnum];
    if (tnum == 1) {
        targs[0].hdb = hdb;
        targs[0].rnum = rnum;
        targs[0].wb = wb;
        targs[0].rnd = rnd;
        targs[0].id = 0;
        if (threadread(targs) != NULL) err = true;
    } else {
        for (int i = 0; i < tnum; i++) {
            targs[i].hdb = hdb;
            targs[i].rnum = rnum;
            targs[i].wb = wb;
            targs[i].rnd = rnd;
            targs[i].id = i;
            if (pthread_create(threads + i, NULL, threadread, targs + i) != 0) {
                eprint(hdb, __LINE__, "pthread_create");
                targs[i].id = -1;
                err = true;
            }
        }
        for (int i = 0; i < tnum; i++) {
            if (targs[i].id == -1) continue;
            void *rv;
            if (pthread_join(threads[i], &rv) != 0) {
                eprint(hdb, __LINE__, "pthread_join");
                err = true;
            } else if (rv) {
                err = true;
            }
        }
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tchdbrnum(hdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tchdbfsiz(hdb));
    mprint(hdb);
    sysprint();
    if (!tchdbclose(hdb)) {
        eprint(hdb, __LINE__, "tchdbclose");
        err = true;
    }
    tchdbdel(hdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform remove command */
static int procremove(const char *path, int tnum, int rcnum, int xmsiz, int dfunit, int omode,
        bool rnd) {
    iprintf("<Removing Test>\n  seed=%u  path=%s  tnum=%d  rcnum=%d  xmsiz=%d  dfunit=%d  omode=%d"
            "  rnd=%d\n\n", g_randseed, path, tnum, rcnum, xmsiz, dfunit, omode, rnd);
    bool err = false;
    double stime = tctime();
    TCHDB *hdb = tchdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tchdbsetdbgfd(hdb, g_dbgfd);
    if (!tchdbsetmutex(hdb)) {
        eprint(hdb, __LINE__, "tchdbsetmutex");
        err = true;
    }
    if (!tchdbsetcodecfunc(hdb, _tc_recencode, NULL, _tc_recdecode, NULL)) {
        eprint(hdb, __LINE__, "tchdbsetcodecfunc");
        err = true;
    }
    if (!tchdbsetcache(hdb, rcnum)) {
        eprint(hdb, __LINE__, "tchdbsetcache");
        err = true;
    }
    if (xmsiz >= 0 && !tchdbsetxmsiz(hdb, xmsiz)) {
        eprint(hdb, __LINE__, "tchdbsetxmsiz");
        err = true;
    }
    if (dfunit >= 0 && !tchdbsetdfunit(hdb, dfunit)) {
        eprint(hdb, __LINE__, "tchdbsetdfunit");
        err = true;
    }
    if (!tchdbopen(hdb, path, HDBOWRITER | omode)) {
        eprint(hdb, __LINE__, "tchdbopen");
        err = true;
    }
    int rnum = tchdbrnum(hdb) / tnum;
    TARGREMOVE targs[tnum];
    pthread_t threads[tnum];
    if (tnum == 1) {
        targs[0].hdb = hdb;
        targs[0].rnum = rnum;
        targs[0].rnd = rnd;
        targs[0].id = 0;
        if (threadremove(targs) != NULL) err = true;
    } else {
        for (int i = 0; i < tnum; i++) {
            targs[i].hdb = hdb;
            targs[i].rnum = rnum;
            targs[i].rnd = rnd;
            targs[i].id = i;
            if (pthread_create(threads + i, NULL, threadremove, targs + i) != 0) {
                eprint(hdb, __LINE__, "pthread_create");
                targs[i].id = -1;
                err = true;
            }
        }
        for (int i = 0; i < tnum; i++) {
            if (targs[i].id == -1) continue;
            void *rv;
            if (pthread_join(threads[i], &rv) != 0) {
                eprint(hdb, __LINE__, "pthread_join");
                err = true;
            } else if (rv) {
                err = true;
            }
        }
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tchdbrnum(hdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tchdbfsiz(hdb));
    mprint(hdb);
    sysprint();
    if (!tchdbclose(hdb)) {
        eprint(hdb, __LINE__, "tchdbclose");
        err = true;
    }
    tchdbdel(hdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform wicked command */
static int procwicked(const char *path, int tnum, int rnum, int opts, int omode, bool nc) {
    iprintf("<Writing Test>\n  seed=%u  path=%s  tnum=%d  rnum=%d  opts=%d  omode=%d  nc=%d\n\n",
            g_randseed, path, tnum, rnum, opts, omode, nc);
    bool err = false;
    double stime = tctime();
    TCHDB *hdb = tchdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tchdbsetdbgfd(hdb, g_dbgfd);
    if (!tchdbsetmutex(hdb)) {
        eprint(hdb, __LINE__, "tchdbsetmutex");
        err = true;
    }
    if (!tchdbsetcodecfunc(hdb, _tc_recencode, NULL, _tc_recdecode, NULL)) {
        eprint(hdb, __LINE__, "tchdbsetcodecfunc");
        err = true;
    }
    if (!tchdbtune(hdb, rnum / 50, 2, -1, opts)) {
        eprint(hdb, __LINE__, "tchdbtune");
        err = true;
    }
    if (!tchdbsetcache(hdb, rnum / 2)) {
        eprint(hdb, __LINE__, "tchdbsetcache");
        err = true;
    }
    if (!tchdbsetxmsiz(hdb, rnum * sizeof (int))) {
        eprint(hdb, __LINE__, "tchdbsetxmsiz");
        err = true;
    }
    if (!tchdbsetdfunit(hdb, 8)) {
        eprint(hdb, __LINE__, "tchdbsetdfunit");
        err = true;
    }
    if (!tchdbopen(hdb, path, HDBOWRITER | HDBOCREAT | HDBOTRUNC | omode)) {
        eprint(hdb, __LINE__, "tchdbopen");
        err = true;
    }
    if (!tchdbiterinit(hdb)) {
        eprint(hdb, __LINE__, "tchdbiterinit");
        err = true;
    }
    TARGWICKED targs[tnum];
    pthread_t threads[tnum];
    TCMAP *map = tcmapnew();
    if (tnum == 1) {
        targs[0].hdb = hdb;
        targs[0].rnum = rnum;
        targs[0].nc = nc;
        targs[0].id = 0;
        targs[0].map = map;
        if (threadwicked(targs) != NULL) err = true;
    } else {
        for (int i = 0; i < tnum; i++) {
            targs[i].hdb = hdb;
            targs[i].rnum = rnum;
            targs[i].nc = nc;
            targs[i].id = i;
            targs[i].map = map;
            if (pthread_create(threads + i, NULL, threadwicked, targs + i) != 0) {
                eprint(hdb, __LINE__, "pthread_create");
                targs[i].id = -1;
                err = true;
            }
        }
        for (int i = 0; i < tnum; i++) {
            if (targs[i].id == -1) continue;
            void *rv;
            if (pthread_join(threads[i], &rv) != 0) {
                eprint(hdb, __LINE__, "pthread_join");
                err = true;
            } else if (rv) {
                err = true;
            }
        }
    }
    if (!nc) {
        if (!tchdbsync(hdb)) {
            eprint(hdb, __LINE__, "tchdbsync");
            err = true;
        }
        if (tchdbrnum(hdb) != tcmaprnum(map)) {
            eprint(hdb, __LINE__, "(validation)");
            err = true;
        }
        int end = rnum * tnum;
        for (int i = 1; i <= end && !err; i++) {
            char kbuf[RECBUFSIZ];
            int ksiz = sprintf(kbuf, "%d", i - 1);
            int vsiz;
            const char *vbuf = tcmapget(map, kbuf, ksiz, &vsiz);
            int rsiz;
            char *rbuf = tchdbget(hdb, kbuf, ksiz, &rsiz);
            if (vbuf) {
                iputchar('.');
                if (!rbuf) {
                    eprint(hdb, __LINE__, "tchdbget");
                    err = true;
                } else if (rsiz != vsiz || memcmp(rbuf, vbuf, rsiz)) {
                    eprint(hdb, __LINE__, "(validation)");
                    err = true;
                }
            } else {
                iputchar('*');
                if (rbuf || tchdbecode(hdb) != TCENOREC) {
                    eprint(hdb, __LINE__, "(validation)");
                    err = true;
                }
            }
            tcfree(rbuf);
            if (i % 50 == 0) iprintf(" (%08d)\n", i);
        }
        if (rnum % 50 > 0) iprintf(" (%08d)\n", rnum);
    }
    tcmapdel(map);
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tchdbrnum(hdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tchdbfsiz(hdb));
    mprint(hdb);
    sysprint();
    if (!tchdbclose(hdb)) {
        eprint(hdb, __LINE__, "tchdbclose");
        err = true;
    }
    tchdbdel(hdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform typical command */
static int proctypical(const char *path, int tnum, int rnum, int bnum, int apow, int fpow,
        int opts, int rcnum, int xmsiz, int dfunit, int omode,
        bool nc, int rratio) {
    iprintf("<Typical Access Test>\n  seed=%u  path=%s  tnum=%d  rnum=%d  bnum=%d  apow=%d"
            "  fpow=%d  opts=%d  rcnum=%d  xmsiz=%d  dfunit=%d  omode=%d  nc=%d  rratio=%d\n\n",
            g_randseed, path, tnum, rnum, bnum, apow, fpow, opts, rcnum, xmsiz, dfunit, omode,
            nc, rratio);
    bool err = false;
    double stime = tctime();
    TCHDB *hdb = tchdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tchdbsetdbgfd(hdb, g_dbgfd);
    if (!tchdbsetmutex(hdb)) {
        eprint(hdb, __LINE__, "tchdbsetmutex");
        err = true;
    }
    if (!tchdbsetcodecfunc(hdb, _tc_recencode, NULL, _tc_recdecode, NULL)) {
        eprint(hdb, __LINE__, "tchdbsetcodecfunc");
        err = true;
    }
    if (!tchdbtune(hdb, bnum, apow, fpow, opts)) {
        eprint(hdb, __LINE__, "tchdbtune");
        err = true;
    }
    if (!tchdbsetcache(hdb, rcnum)) {
        eprint(hdb, __LINE__, "tchdbsetcache");
        err = true;
    }
    if (xmsiz >= 0 && !tchdbsetxmsiz(hdb, xmsiz)) {
        eprint(hdb, __LINE__, "tchdbsetxmsiz");
        err = true;
    }
    if (dfunit >= 0 && !tchdbsetdfunit(hdb, dfunit)) {
        eprint(hdb, __LINE__, "tchdbsetdfunit");
        err = true;
    }
    if (!tchdbopen(hdb, path, HDBOWRITER | HDBOCREAT | HDBOTRUNC | omode)) {
        eprint(hdb, __LINE__, "tchdbopen");
        err = true;
    }
    TARGTYPICAL targs[tnum];
    pthread_t threads[tnum];
    if (tnum == 1) {
        targs[0].hdb = hdb;
        targs[0].rnum = rnum;
        targs[0].nc = nc;
        targs[0].rratio = rratio;
        targs[0].id = 0;
        if (threadtypical(targs) != NULL) err = true;
    } else {
        for (int i = 0; i < tnum; i++) {
            targs[i].hdb = hdb;
            targs[i].rnum = rnum;
            targs[i].nc = nc;
            targs[i].rratio = rratio;
            targs[i].id = i;
            if (pthread_create(threads + i, NULL, threadtypical, targs + i) != 0) {
                eprint(hdb, __LINE__, "pthread_create");
                targs[i].id = -1;
                err = true;
            }
        }
        for (int i = 0; i < tnum; i++) {
            if (targs[i].id == -1) continue;
            void *rv;
            if (pthread_join(threads[i], &rv) != 0) {
                eprint(hdb, __LINE__, "pthread_join");
                err = true;
            } else if (rv) {
                err = true;
            }
        }
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tchdbrnum(hdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tchdbfsiz(hdb));
    mprint(hdb);
    sysprint();
    if (!tchdbclose(hdb)) {
        eprint(hdb, __LINE__, "tchdbclose");
        err = true;
    }
    tchdbdel(hdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform race command */
static int procrace(const char *path, int tnum, int rnum, int bnum, int apow, int fpow,
        int opts, int xmsiz, int dfunit, int omode) {
    iprintf("<Race Condition Test>\n  seed=%u  path=%s  tnum=%d  rnum=%d  bnum=%d  apow=%d"
            "  fpow=%d  opts=%d  xmsiz=%d  dfunit=%d  omode=%d\n\n",
            g_randseed, path, tnum, rnum, bnum, apow, fpow, opts, xmsiz, dfunit, omode);
    bool err = false;
    double stime = tctime();
    TCHDB *hdb = tchdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tchdbsetdbgfd(hdb, g_dbgfd);
    if (!tchdbsetmutex(hdb)) {
        eprint(hdb, __LINE__, "tchdbsetmutex");
        err = true;
    }
    if (!tchdbsetcodecfunc(hdb, _tc_recencode, NULL, _tc_recdecode, NULL)) {
        eprint(hdb, __LINE__, "tchdbsetcodecfunc");
        err = true;
    }
    if (!tchdbtune(hdb, bnum, apow, fpow, opts)) {
        eprint(hdb, __LINE__, "tchdbtune");
        err = true;
    }
    if (xmsiz >= 0 && !tchdbsetxmsiz(hdb, xmsiz)) {
        eprint(hdb, __LINE__, "tchdbsetxmsiz");
        err = true;
    }
    if (dfunit >= 0 && !tchdbsetdfunit(hdb, dfunit)) {
        eprint(hdb, __LINE__, "tchdbsetdfunit");
        err = true;
    }
    if (!tchdbopen(hdb, path, HDBOWRITER | HDBOCREAT | HDBOTRUNC | omode)) {
        eprint(hdb, __LINE__, "tchdbopen");
        err = true;
    }
    TARGRACE targs[tnum];
    pthread_t threads[tnum];
    if (tnum == 1) {
        targs[0].hdb = hdb;
        targs[0].rnum = rnum;
        targs[0].id = 0;
        if (threadrace(targs) != NULL) err = true;
    } else {
        for (int i = 0; i < tnum; i++) {
            targs[i].hdb = hdb;
            targs[i].rnum = rnum;
            targs[i].id = i;
            if (pthread_create(threads + i, NULL, threadrace, targs + i) != 0) {
                eprint(hdb, __LINE__, "pthread_create");
                targs[i].id = -1;
                err = true;
            }
        }
        for (int i = 0; i < tnum; i++) {
            if (targs[i].id == -1) continue;
            void *rv;
            if (pthread_join(threads[i], &rv) != 0) {
                eprint(hdb, __LINE__, "pthread_join");
                err = true;
            } else if (rv) {
                err = true;
            }
        }
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tchdbrnum(hdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tchdbfsiz(hdb));
    mprint(hdb);
    sysprint();
    if (!tchdbclose(hdb)) {
        eprint(hdb, __LINE__, "tchdbclose");
        err = true;
    }
    tchdbdel(hdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* thread the write function */
static void *threadwrite(void *targ) {
    TCHDB *hdb = ((TARGWRITE *) targ)->hdb;
    int rnum = ((TARGWRITE *) targ)->rnum;
    bool as = ((TARGWRITE *) targ)->as;
    bool rnd = ((TARGWRITE *) targ)->rnd;
    int id = ((TARGWRITE *) targ)->id;
    bool err = false;
    int base = id * rnum;
    for (int i = 1; i <= rnum; i++) {
        char buf[RECBUFSIZ];
        int len = sprintf(buf, "%08d", base + (rnd ? myrand(i) : i));
        if (as) {
            if (!tchdbputasync(hdb, buf, len, buf, len)) {
                eprint(hdb, __LINE__, "tchdbputasync");
                err = true;
                break;
            }
        } else {
            if (!tchdbput(hdb, buf, len, buf, len)) {
                eprint(hdb, __LINE__, "tchdbput");
                err = true;
                break;
            }
        }
        if (id == 0 && rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    return err ? "error" : NULL;
}

/* thread the read function */
static void *threadread(void *targ) {
    TCHDB *hdb = ((TARGREAD *) targ)->hdb;
    int rnum = ((TARGREAD *) targ)->rnum;
    bool wb = ((TARGREAD *) targ)->wb;
    bool rnd = ((TARGREAD *) targ)->rnd;
    int id = ((TARGREAD *) targ)->id;
    bool err = false;
    int base = id * rnum;
    for (int i = 1; i <= rnum && !err; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%08d", base + (rnd ? myrandnd(i) : i));
        int vsiz;
        if (wb) {
            char vbuf[RECBUFSIZ];
            int vsiz = tchdbget3(hdb, kbuf, ksiz, vbuf, RECBUFSIZ);
            if (vsiz < 0 && (!rnd || tchdbecode(hdb) != TCENOREC)) {
                eprint(hdb, __LINE__, "tchdbget3");
                err = true;
            }
        } else {
            char *vbuf = tchdbget(hdb, kbuf, ksiz, &vsiz);
            if (!vbuf && (!rnd || tchdbecode(hdb) != TCENOREC)) {
                eprint(hdb, __LINE__, "tchdbget");
                err = true;
            }
            tcfree(vbuf);
        }
        if (id == 0 && rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    return err ? "error" : NULL;
}

/* thread the remove function */
static void *threadremove(void *targ) {
    TCHDB *hdb = ((TARGREMOVE *) targ)->hdb;
    int rnum = ((TARGREMOVE *) targ)->rnum;
    bool rnd = ((TARGREMOVE *) targ)->rnd;
    int id = ((TARGREMOVE *) targ)->id;
    bool err = false;
    int base = id * rnum;
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%08d", base + (rnd ? myrand(i + 1) : i));
        if (!tchdbout(hdb, kbuf, ksiz) && (!rnd || tchdbecode(hdb) != TCENOREC)) {
            eprint(hdb, __LINE__, "tchdbout");
            err = true;
            break;
        }
        if (id == 0 && rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    return err ? "error" : NULL;
}

/* thread the wicked function */
static void *threadwicked(void *targ) {
    TCHDB *hdb = ((TARGWICKED *) targ)->hdb;
    int rnum = ((TARGWICKED *) targ)->rnum;
    bool nc = ((TARGWICKED *) targ)->nc;
    int id = ((TARGWICKED *) targ)->id;
    TCMAP *map = ((TARGWICKED *) targ)->map;
    bool err = false;
    for (int i = 1; i <= rnum && !err; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", myrand(rnum * (id + 1)));
        char vbuf[RECBUFSIZ];
        int vsiz = myrand(RECBUFSIZ);
        memset(vbuf, '*', vsiz);
        vbuf[vsiz] = '\0';
        char *rbuf;
        if (!nc) tcglobalmutexlock();
        switch (myrand(16)) {
            case 0:
                if (id == 0) iputchar('0');
                if (!tchdbput(hdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(hdb, __LINE__, "tchdbput");
                    err = true;
                }
                if (!nc) tcmapput(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 1:
                if (id == 0) iputchar('1');
                if (!tchdbput2(hdb, kbuf, vbuf)) {
                    eprint(hdb, __LINE__, "tchdbput2");
                    err = true;
                }
                if (!nc) tcmapput2(map, kbuf, vbuf);
                break;
            case 2:
                if (id == 0) iputchar('2');
                if (!tchdbputkeep(hdb, kbuf, ksiz, vbuf, vsiz) && tchdbecode(hdb) != TCEKEEP) {
                    eprint(hdb, __LINE__, "tchdbputkeep");
                    err = true;
                }
                if (!nc) tcmapputkeep(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 3:
                if (id == 0) iputchar('3');
                if (!tchdbputkeep2(hdb, kbuf, vbuf) && tchdbecode(hdb) != TCEKEEP) {
                    eprint(hdb, __LINE__, "tchdbputkeep2");
                    err = true;
                }
                if (!nc) tcmapputkeep2(map, kbuf, vbuf);
                break;
            case 4:
                if (id == 0) iputchar('4');
                if (!tchdbputcat(hdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(hdb, __LINE__, "tchdbputcat");
                    err = true;
                }
                if (!nc) tcmapputcat(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 5:
                if (id == 0) iputchar('5');
                if (!tchdbputcat2(hdb, kbuf, vbuf)) {
                    eprint(hdb, __LINE__, "tchdbputcat2");
                    err = true;
                }
                if (!nc) tcmapputcat2(map, kbuf, vbuf);
                break;
            case 6:
                if (id == 0) iputchar('6');
                if (i > rnum / 4 * 3) {
                    if (!tchdbputasync(hdb, kbuf, ksiz, vbuf, vsiz)) {
                        eprint(hdb, __LINE__, "tchdbputasync");
                        err = true;
                    }
                } else {
                    if (!tchdbput(hdb, kbuf, ksiz, vbuf, vsiz)) {
                        eprint(hdb, __LINE__, "tchdbput");
                        err = true;
                    }
                }
                if (!nc) tcmapput(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 7:
                if (id == 0) iputchar('7');
                if (i > rnum / 4 * 3) {
                    if (!tchdbputasync2(hdb, kbuf, vbuf)) {
                        eprint(hdb, __LINE__, "tchdbputasync2");
                        err = true;
                    }
                } else {
                    if (!tchdbput2(hdb, kbuf, vbuf)) {
                        eprint(hdb, __LINE__, "tchdbput2");
                        err = true;
                    }
                }
                if (!nc) tcmapput2(map, kbuf, vbuf);
                break;
            case 8:
                if (id == 0) iputchar('8');
                if (myrand(2) == 0) {
                    if (!tchdbout(hdb, kbuf, ksiz) && tchdbecode(hdb) != TCENOREC) {
                        eprint(hdb, __LINE__, "tchdbout");
                        err = true;
                    }
                    if (!nc) tcmapout(map, kbuf, ksiz);
                }
                break;
            case 9:
                if (id == 0) iputchar('9');
                if (myrand(2) == 0) {
                    if (!tchdbout2(hdb, kbuf) && tchdbecode(hdb) != TCENOREC) {
                        eprint(hdb, __LINE__, "tchdbout2");
                        err = true;
                    }
                    if (!nc) tcmapout2(map, kbuf);
                }
                break;
            case 10:
                if (id == 0) iputchar('A');
                if (!(rbuf = tchdbget(hdb, kbuf, ksiz, &vsiz))) {
                    if (tchdbecode(hdb) != TCENOREC) {
                        eprint(hdb, __LINE__, "tchdbget");
                        err = true;
                    }
                    rbuf = tcsprintf("[%d]", myrand(i + 1));
                    vsiz = strlen(rbuf);
                }
                vsiz += myrand(vsiz);
                if (myrand(3) == 0) vsiz += PATH_MAX;
                rbuf = tcrealloc(rbuf, vsiz + 1);
                for (int j = 0; j < vsiz; j++) {
                    rbuf[j] = myrand(0x100);
                }
                if (!tchdbput(hdb, kbuf, ksiz, rbuf, vsiz)) {
                    eprint(hdb, __LINE__, "tchdbput");
                    err = true;
                }
                if (!nc) tcmapput(map, kbuf, ksiz, rbuf, vsiz);
                tcfree(rbuf);
                break;
            case 11:
                if (id == 0) iputchar('B');
                if (!(rbuf = tchdbget(hdb, kbuf, ksiz, &vsiz)) && tchdbecode(hdb) != TCENOREC) {
                    eprint(hdb, __LINE__, "tchdbget");
                    err = true;
                }
                tcfree(rbuf);
                break;
            case 12:
                if (id == 0) iputchar('C');
                if (!(rbuf = tchdbget2(hdb, kbuf)) && tchdbecode(hdb) != TCENOREC) {
                    eprint(hdb, __LINE__, "tchdbget2");
                    err = true;
                }
                tcfree(rbuf);
                break;
            case 13:
                if (id == 0) iputchar('D');
                if (myrand(1) == 0) vsiz = 1;
                if ((vsiz = tchdbget3(hdb, kbuf, ksiz, vbuf, vsiz)) < 0 && tchdbecode(hdb) != TCENOREC) {
                    eprint(hdb, __LINE__, "tchdbget3");
                    err = true;
                }
                break;
            case 14:
                if (id == 0) iputchar('E');
                if (myrand(rnum / 50) == 0) {
                    if (!tchdbiterinit(hdb)) {
                        eprint(hdb, __LINE__, "tchdbiterinit");
                        err = true;
                    }
                }
                TCXSTR *ikey = tcxstrnew();
                TCXSTR *ival = tcxstrnew();
                for (int j = myrand(rnum) / 1000 + 1; j >= 0; j--) {
                    if (j % 3 == 0) {
                        if (!tchdbiternext3(hdb, ikey, ival)) {
                            int ecode = tchdbecode(hdb);
                            if (ecode != TCEINVALID && ecode != TCENOREC) {
                                eprint(hdb, __LINE__, "tchdbiternext3");
                                err = true;
                            }
                        }
                    } else {
                        int iksiz;
                        char *ikbuf = tchdbiternext(hdb, &iksiz);
                        if (ikbuf) {
                            tcfree(ikbuf);
                        } else {
                            int ecode = tchdbecode(hdb);
                            if (ecode != TCEINVALID && ecode != TCENOREC) {
                                eprint(hdb, __LINE__, "tchdbiternext");
                                err = true;
                            }
                        }
                    }
                }
                tcxstrdel(ival);
                tcxstrdel(ikey);
                break;
            default:
                if (id == 0) iputchar('@');
                if (tchdbtranbegin(hdb)) {
                    if (myrand(2) == 0) {
                        if (!tchdbput(hdb, kbuf, ksiz, vbuf, vsiz)) {
                            eprint(hdb, __LINE__, "tchdbput");
                            err = true;
                        }
                        if (!nc) tcmapput(map, kbuf, ksiz, vbuf, vsiz);
                    } else {
                        if (!tchdbout(hdb, kbuf, ksiz) && tchdbecode(hdb) != TCENOREC) {
                            eprint(hdb, __LINE__, "tchdbout");
                            err = true;
                        }
                        if (!nc) tcmapout(map, kbuf, ksiz);
                    }
                    if (nc && myrand(2) == 0) {
                        if (!tchdbtranabort(hdb)) {
                            eprint(hdb, __LINE__, "tchdbtranabort");
                            err = true;
                        }
                    } else {
                        if (!tchdbtrancommit(hdb)) {
                            eprint(hdb, __LINE__, "tchdbtrancommit");
                            err = true;
                        }
                    }
                } else {
                    eprint(hdb, __LINE__, "tchdbtranbegin");
                    err = true;
                }
                if (myrand(1000) == 0) {
                    if (!tchdbforeach(hdb, iterfunc, NULL)) {
                        eprint(hdb, __LINE__, "tchdbforeach");
                        err = true;
                    }
                }
                if (myrand(10000) == 0) srand((unsigned int) (tctime() * 1000) % UINT_MAX);
                break;
        }
        if (!nc) tcglobalmutexunlock();
        if (id == 0) {
            if (i % 50 == 0) iprintf(" (%08d)\n", i);
            if (id == 0 && i == rnum / 4) {
                if (!tchdboptimize(hdb, rnum / 50, -1, -1, -1) &&
                        tchdbecode(hdb) != TCEINVALID &&
                        tchdbecode(hdb) != TCETR) {
                    eprint(hdb, __LINE__, "tchdboptimize");
                    err = true;
                }
                if (!tchdbiterinit(hdb)) {
                    eprint(hdb, __LINE__, "tchdbiterinit");
                    err = true;
                }
            }
        }
    }
    return err ? "error" : NULL;
}

/* thread the typical function */
static void *threadtypical(void *targ) {
    TCHDB *hdb = ((TARGTYPICAL *) targ)->hdb;
    int rnum = ((TARGTYPICAL *) targ)->rnum;
    bool nc = ((TARGTYPICAL *) targ)->nc;
    int rratio = ((TARGTYPICAL *) targ)->rratio;
    int id = ((TARGTYPICAL *) targ)->id;
    bool err = false;
    TCMAP *map = (!nc && id == 0) ? tcmapnew2(rnum + 1) : NULL;
    int base = id * rnum;
    int mrange = tclmax(50 + rratio, 100);
    for (int i = 1; !err && i <= rnum; i++) {
        char buf[RECBUFSIZ];
        int len = sprintf(buf, "%08d", base + myrandnd(i));
        int rnd = myrand(mrange);
        if (rnd < 10) {
            if (!tchdbput(hdb, buf, len, buf, len)) {
                eprint(hdb, __LINE__, "tchdbput");
                err = true;
            }
            if (map) tcmapput(map, buf, len, buf, len);
        } else if (rnd < 15) {
            if (!tchdbputkeep(hdb, buf, len, buf, len) && tchdbecode(hdb) != TCEKEEP) {
                eprint(hdb, __LINE__, "tchdbputkeep");
                err = true;
            }
            if (map) tcmapputkeep(map, buf, len, buf, len);
        } else if (rnd < 20) {
            if (!tchdbputcat(hdb, buf, len, buf, len)) {
                eprint(hdb, __LINE__, "tchdbputcat");
                err = true;
            }
            if (map) tcmapputcat(map, buf, len, buf, len);
        } else if (rnd < 25) {
            if (i > rnum / 10 * 9) {
                if (!tchdbputasync(hdb, buf, len, buf, len)) {
                    eprint(hdb, __LINE__, "tchdbputasync");
                    err = true;
                }
            } else {
                if (!tchdbput(hdb, buf, len, buf, len)) {
                    eprint(hdb, __LINE__, "tchdbput");
                    err = true;
                }
            }
            if (map) tcmapput(map, buf, len, buf, len);
        } else if (rnd < 30) {
            if (!tchdbout(hdb, buf, len) && tchdbecode(hdb) && tchdbecode(hdb) != TCENOREC) {
                eprint(hdb, __LINE__, "tchdbout");
                err = true;
            }
            if (map) tcmapout(map, buf, len);
        } else if (rnd < 31) {
            if (myrand(10) == 0 && !tchdbiterinit(hdb) && tchdbecode(hdb) != TCENOREC) {
                eprint(hdb, __LINE__, "tchdbiterinit");
                err = true;
            }
            for (int j = 0; !err && j < 10; j++) {
                int ksiz;
                char *kbuf = tchdbiternext(hdb, &ksiz);
                if (kbuf) {
                    tcfree(kbuf);
                } else if (tchdbecode(hdb) != TCEINVALID && tchdbecode(hdb) != TCENOREC) {
                    eprint(hdb, __LINE__, "tchdbiternext");
                    err = true;
                }
            }
        } else {
            int vsiz;
            char *vbuf = tchdbget(hdb, buf, len, &vsiz);
            if (vbuf) {
                if (map) {
                    int msiz;
                    const char *mbuf = tcmapget(map, buf, len, &msiz);
                    if (!mbuf || msiz != vsiz || memcmp(mbuf, vbuf, vsiz)) {
                        eprint(hdb, __LINE__, "(validation)");
                        err = true;
                    }
                }
                tcfree(vbuf);
            } else {
                if (tchdbecode(hdb) != TCENOREC) {
                    eprint(hdb, __LINE__, "tchdbget");
                    err = true;
                }
                if (map && tcmapget(map, buf, len, &vsiz)) {
                    eprint(hdb, __LINE__, "(validation)");
                    err = true;
                }
            }
        }
        if (id == 0 && rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (map) {
        tcmapiterinit(map);
        int ksiz;
        const char *kbuf;
        while (!err && (kbuf = tcmapiternext(map, &ksiz)) != NULL) {
            int vsiz;
            char *vbuf = tchdbget(hdb, kbuf, ksiz, &vsiz);
            if (vbuf) {
                int msiz;
                const char *mbuf = tcmapget(map, kbuf, ksiz, &msiz);
                if (!mbuf || msiz != vsiz || memcmp(mbuf, vbuf, vsiz)) {
                    eprint(hdb, __LINE__, "(validation)");
                    err = true;
                }
                tcfree(vbuf);
            } else {
                eprint(hdb, __LINE__, "(validation)");
                err = true;
            }
        }
        tcmapdel(map);
    }
    return err ? "error" : NULL;
}

/* thread the race function */
static void *threadrace(void *targ) {
    TCHDB *hdb = ((TARGRACE *) targ)->hdb;
    int rnum = ((TARGRACE *) targ)->rnum;
    int id = ((TARGRACE *) targ)->id;
    bool err = false;
    int mid = rnum * 2;
    for (int i = 1; !err && i <= rnum; i++) {
        char buf[RECBUFSIZ];
        int len = sprintf(buf, "%d", myrandnd(i));
        int rnd = myrand(100);
        if (rnd < 10) {
            if (!tchdbputkeep(hdb, buf, len, buf, len) && tchdbecode(hdb) != TCEKEEP) {
                eprint(hdb, __LINE__, "tchdbputkeep");
                err = true;
            }
        } else if (rnd < 20) {
            if (!tchdbputcat(hdb, buf, len, buf, len)) {
                eprint(hdb, __LINE__, "tchdbputcat");
                err = true;
            }
        } else if (rnd < 30) {
            if (!tchdbout(hdb, buf, len) && tchdbecode(hdb) != TCENOREC) {
                eprint(hdb, __LINE__, "tchdbout");
                err = true;
            }
        } else if (rnd < 31) {
            if (!tchdbputasync(hdb, buf, len, buf, len)) {
                eprint(hdb, __LINE__, "tchdbputasync");
                err = true;
            }
        } else {
            if (myrand(10) == 0) {
                int rsiz = myrand(256);
                char *rbuf = tcmalloc(rsiz + 1);
                for (int j = 0; j < rsiz; j++) {
                    rbuf[j] = myrand('z' - 'a') + 'a';
                }
                if (myrand(2) == 0) {
                    if (!tchdbput(hdb, buf, len, rbuf, rsiz)) {
                        eprint(hdb, __LINE__, "tchdbputcat");
                        err = true;
                    }
                } else {
                    if (!tchdbputcat(hdb, buf, len, rbuf, rsiz)) {
                        eprint(hdb, __LINE__, "tchdbputcat");
                        err = true;
                    }
                }
                tcfree(rbuf);
            } else {
                if (!tchdbput(hdb, buf, len, buf, len)) {
                    eprint(hdb, __LINE__, "tchdbput");
                    err = true;
                }
            }
        }
        if (id == 0) {
            if (myrand(mid) == 0) {
                iprintf("[v]");
                if (!tchdbvanish(hdb)) {
                    eprint(hdb, __LINE__, "tchdbvanish");
                    err = true;
                }
            }
            if (myrand(mid) == 0) {
                iprintf("[o]");
                if (!tchdboptimize(hdb, myrand(rnum) + 1, myrand(10), myrand(10), 0)) {
                    eprint(hdb, __LINE__, "tchdboptimize");
                    err = true;
                }
            }
            if (myrand(mid) == 0) {
                iprintf("[d]");
                if (!tchdbdefrag(hdb, -1)) {
                    eprint(hdb, __LINE__, "tchdbdefrag");
                    err = true;
                }
            }
            if (myrand(mid) == 0) {
                iprintf("[i]");
                if (!tchdbiterinit(hdb)) {
                    eprint(hdb, __LINE__, "tchdbput");
                    err = true;
                }
                char *kbuf;
                int ksiz;
                while ((kbuf = tchdbiternext(hdb, &ksiz)) != NULL) {
                    int vsiz;
                    char *vbuf = tchdbget(hdb, kbuf, ksiz, &vsiz);
                    if (vbuf) {
                        tcfree(vbuf);
                    } else if (tchdbecode(hdb) != TCENOREC) {
                        eprint(hdb, __LINE__, "tchdbget");
                        err = true;
                    }
                    tcfree(kbuf);
                }
                if (tchdbecode(hdb) != TCENOREC) {
                    eprint(hdb, __LINE__, "(validation)");
                    err = true;
                }
            }
            if (rnum > 250 && i % (rnum / 250) == 0) {
                iputchar('.');
                if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
            }
        }
    }
    return err ? "error" : NULL;
}



// END OF FILE
